143663 has 8 divisors (see below), whose sum is σ = 158928. Its totient is φ = 129024.

The previous prime is 143653. The next prime is 143669. The reversal of 143663 is 366341.

143663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431 + ... + 687.

It is an arithmetic number, because the mean of its divisors is an integer number (19866).

2¹⁴³⁶⁶³ is an apocalyptic number.

143663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

143663 is a deficient number, since it is larger than the sum of its proper divisors (15265).

143663 is a wasteful number, since it uses less digits than its factorization.

143663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313.

The product of its digits is 1296, while the sum is 23.

The square root of 143663 is about 379.0290226355. The cubic root of 143663 is about 52.3739075269.

The spelling of 143663 in words is "one hundred forty-three thousand, six hundred sixty-three".